Jepson eFlora: Key page
Vascular Plants of California
Key to families | Table of families and genera
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Key to Collomia

View taxon page for Collomia

(For a list of species in Collomia, use the above link.)

Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.

1. Perennial herb from underground rhizomes

2. Plant generally stem < 5 cm,  congested;   < 2 cm, lobed; corolla light to deep purple ..... C. larsenii

2' Plant ; stem > 10 cm, internodes spaced; leaf blade generally 3–8 cm, coarsely toothed; corolla red-orange ..... C. rawsoniana

1' Annual from taproot

3. Stem generally erect, , middle internodes short-white-nonglandular-hairy; flowers in heads terminal, occasionally on  stems

4. Corolla yellow to orange, fading white, 15–30 mm (< 5 mm in cleistogamous flowers); at least 1 anther pollen generally blue ..... C. grandiflora

4' Corolla white to pink, <= 15 mm; anthers ; pollen generally white ..... C. linearis

3' Stem generally , branches spreading to , internodes long-translucent-glandular-hairy; flowers 1 or in clusters axillary and terminal

5. Lower cauline leaves , 3-toothed or 1–2 pinnate-lobed

6. Lower cauline leaves 3-toothed, upper ; corolla tube purple, throat yellow,  violet-pink ..... C. diversifolia

6' Lower cauline leaves 1–2 pinnate-lobed, upper lobed to entire; corolla tube yellow to light pink, throat yellow to white, lobes light pink to white ..... C. heterophylla

5' Lower cauline leaves  to , entire

7. Flowers 1(2–3), corolla 4–6 mm; pollen white ..... C. tenella

7' Flowers 2–3(5), corolla 8–22 mm; pollen generally blue

8. Corolla 8–14 mm, stamens attached at 1 level ..... C. tinctoria

8' Corolla 12–22 mm, stamens attached at > 1 level ..... C. tracyi

 

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Citation for the whole project: Jepson Flora Project (eds.) . Jepson eFlora, http://ucjeps.berkeley.edu/eflora/ [accessed on ]

Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on .

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